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Route Reliability

Indianapolis → Denver

IND–DEN · 976 miles · Indianapolis International Airport to Denver International Airport

83
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
7 min
Average arrival delay
0.6%
Cancelled
2,556
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines81%861 flights
  2. 2.Frontier Airlines78%285 flights
  3. 3.Southwest Airlines77%1,410 flights

What the data says

Morning-you made the right choice.

IND–DEN flights departing between 3–6 AM arrived on time 92% of the time, versus 39% between 9 PM–12 AM.

Friday is doing you no favors.

IND–DEN flights arrived on time 83% of the time on Saturdays. On Fridays: 76%.

United Airlines has a slight edge here.

United Airlines arrived on time 81% of the time on this route; Southwest Airlines managed 77%.

Ticking up lately.

IND–DEN flights arrived on time 81% of the time over the last three months in the data, compared with 77% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon78%(379 flights)
  • Tue78%(315 flights)
  • Wed79%(323 flights)
  • Thu79%(385 flights)
  • Fri76%(383 flights)
  • Sat83%(334 flights)
  • Sun77%(415 flights)
On-time by departure window
  • 3–6 AM92%(104 flights)
  • 6–9 AM91%(581 flights)
  • 9 AM–12 PM85%(383 flights)
  • 12–3 PM85%(162 flights)
  • 3–6 PM72%(652 flights)
  • 6–9 PM67%(621 flights)
  • 9 PM–12 AM39%(31 flights)
On-time trend by month
79%
May

Jun 73% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%250
July 202572%284
August 202580%239
September 202583%213
October 202579%226
November 202584%186
December 202567%187
January 202683%171
February 202682%159
March 202679%210
April 202683%195
May 202679%214

Keep nerding

Based on 2,556 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.